Consult request.getSession () getServletContext () getRealPath ("/");.. This sentence is the server path to get it?

  server   servlet   getRealPath   getServletContext   getSession

Getting Started , thank you advise ~ !
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so I went to ask if this is the path to save the file saved to a file on the server yet ?  
yes.
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this method seems to have been abandoned in the windows is so , linux hard to say.
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returns the absolute path to the root directory of the virtual directory.
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get is what you tomcat project root path
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you print it out do not know, this is the return path works include letters , absolute path.
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so I went to ask if this is the path to save the file saved to a file on the server yet ?
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so I went to ask if this is the path to save the file saved to a file on the server yet ?          
yes.  
Thank you ~ ~ ~